| • long-wavelngth light • wavelength light | |
| दीर्घ: dolcho dolicho dolicho- elliptic spring | |
| दीर्घ तरंग-दैर्घ्य: long wavelength | |
| प्रकाश: allegation beacon lightness luminosity | |
दीर्घ तरंग-दैर्घ्य प्रकाश in English
[ dirgha taramga-dairghya prakash ] sound:
